#ifndef FILTER_GUI_C
#define FILTER_GUI_C

#include <QtGlobal>
#include <QMainWindow>
#include <QColor>
#include <qboxlayout.h>
#include <QTableWidget>

#include <iostream>

#include <math.h>

class FilterGui {
  
  private:
    QTableWidget* widget;
    
    int filter_size;
    
    void updateGui() {
      this->widget->setRowCount(this->filter_size);
      this->widget->setColumnCount(this->filter_size);
      for(int i=0; i<this->filter_size; i++) {
        for(int j=0; j<this->filter_size; j++) {
	  this->widget->setItem(i, j, new QTableWidgetItem("0"));
	}
      }
    };

  public:
    FilterGui(int filter_size = 3) {
      this->widget = new QTableWidget();
      this->setSize(filter_size);
    };
    
    ~FilterGui() {
      delete this->widget;
      this->widget = NULL;
    };

    QTableWidget* getWidget() {
      return this->widget;
    };
    
    void setSize(int size) {
      this->filter_size = size;
      this->updateGui();
    };
    
    int getSize() {
      return this->filter_size;
    };

};


#endif